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NOTE: This is an unformatted excerpt from our online fire protection training library.

Overcurrent Protection for Conductors & Equipment

Introduction

Learning Objectives

Course Learning Outcomes: Explain overcurrent protection requirements of the National Electrical Code (NEC)®

Enabling Points:

Explain the purpose of overcurrent protection Explain the difference between overcurrent and overload Explain the difference between a short circuit and a ground fault Explain how the minimum ratings are determined for various items, including overcurrent devices service conductors service disconnecting means service overcurrent protection Explain aspects of the protection of conductors, including power and lighting circuits fire pumps small conductors flexible cords and cables Explain the factors involved in the location of overcurrent protection Explain tap rules Explain how other equipment is protected, including panelboards, motor control centers, transformers and welders Explain special protection requirements for motors and refrigeration equipment
NOTE: This is an unformatted excerpt from our online fire protection training library.

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